<template>
	<view class="container">
		<mescroll-body ref="mescrollRef" :sticky="true" @init="mescrollInit" :down="{ use: false }" :up="upOption"
			@up="upCallback">
			<view class="help cont-box b-f" v-for="(item, index) in list.data" :key="index">
				<view class="title">
					<text>{{ item.title }}</text>
				</view>
				<view class="content">
					<text>{{ item.content }}</text>
				</view>
			</view>
		</mescroll-body>
	</view>
</template>

<script>
	import MescrollBody from '@/components/mescroll-uni/mescroll-body.vue'
	import MescrollMixin from '@/components/mescroll-uni/mescroll-mixins'
	import * as HelpApi from '@/api/help'
	import {
		getEmptyPaginateObj,
		getMoreListData
	} from '@/core/app'

	const pageSize = 15

	export default {
		components: {
			MescrollBody
		},
		mixins: [MescrollMixin],
		data() {
			return {
				list: getEmptyPaginateObj(),
				// 上拉加载配置
				upOption: {
					// 首次自动执行
					auto: true,
					// 每页数据的数量; 默认10
					page: {
						size: pageSize
					},
					// 数量要大于12条才显示无更多数据
					noMoreSize: 12,
					// 空布局
					empty: {
						tip: '亲，暂无相关数据'
					}
				}
			}
		},

		/**
		 * 生命周期函数--监听页面加载
		 */
		onLoad(options) {},

		methods: {

			/**
			 * 上拉加载的回调 (页面初始化时也会执行一次)
			 * 其中page.num:当前页 从1开始, page.size:每页数据条数,默认10
			 * @param {Object} page
			 */
			upCallback(page) {
				const _this = this
				// 设置列表数据
				_this.getHelpList(page.num)
					.then(list => {
						const curlimit = list.data.length
						_this.mescroll.endBySize(curlimit, list.count)
					})
					.catch(() => _this.mescroll.endErr())
			},

			// 获取帮助列表
			getHelpList(pageNo = 1) {
				const _this = this
				return new Promise((resolve, reject) => {
					HelpApi.list({
							page: pageNo
						})
						.then(result => {
							// 合并新数据
							const newList = res.result
							_this.list.count = res.count
							_this.list.data = getMoreListData(newList, _this.list, pageNo)
							resolve(_this.list)
						})
				})
			}

		}
	}
</script>

<style lang="scss" scoped>
	.help {
		border-bottom: 1rpx solid #f6f6f9;

		.title {
			font-size: 32rpx;
			color: #333;
			margin-bottom: 10rpx;
		}

		.content {
			font-size: 26rpx;
			color: #666;
		}
	}
</style>